Swab



FIG. 1 is a front perspective view of a swab according to the new design;

FIG. 2 is a rear perspective view thereof;

FIG. 3 is a front view thereof;

FIG. 4 is a side view thereof;

FIG. 5 is a top view thereof;

FIG. 6 is a bottom view thereof;

FIG. 7 is a close-up view of area 7 of FIG. 1; and,

FIG. 8 is a close-up view of area 8 of FIG. 2.

The dashed broken lines depict the boundaries of the enlarged areas of FIGS. 1 and 2 and form no part of the claimed design. 

CLAIM The ornamental design for a swab, as shown and described. 